Graco TrueCoat and Truecoat Plus Operation, Repair Parts Manual

Inlet Valve Cleaning

Inlet Valve Cleaning

Removal

1.

Engage trigger lock and pull relief valve UP to release pressure.

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2.

Remove material cup and suction tube.

4.

Clean as much excess material from pump cavity as possible. Make sure you also clean spring (a), o-ring

(c), and top of inlet fitting (d).

Installation

NOTE: Before installing, make sure o-ring (c) is installed

on inlet valve (b).

1.

Place inlet valve (b) with spring (a) on top of inlet fitting (d). Push inlet fitting up into pump cavity. a b c ti15504a

3.

Hold sprayer upside-down and use wrench or socket to loosen and remove inlet fitting, inlet valve, and spring. d ti15502a

2.

Hold inlet in place and turn sprayer upside-down.

Remove inlet fitting and visually check to see that inlet valve has seated correctly.

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3.

Replace inlet fitting and use wrench and socket to tighten to 10 ft-lb.

NOTICE

Do NOT over-tighten inlet fitting. Damage to the equipment will occur.

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NOTE: Make sure the spring also comes out. Use

needle-nose pliers to remove if needed. Inlet cavity should be completely empty (as shown below).

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4.

Use your Fine-Finish Optimizer cleaning tool to lightly push on inlet valve to make sure it moves up and down freely.

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3A0159D